978939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2811

約数の個数: 16

約数和(自身を含む): 1562400

約数和(自身を除く): 583461

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 2789, 8367, 25101, 36257, 75303, 108771, 326313, 978939]

約数ペア:

[(1, 978939), (3, 326313), (9, 108771), (13, 75303), (27, 36257), (39, 25101), (117, 8367), (351, 2789)]